6742090 has 16 divisors (see below), whose sum is σ = 12283488. Its totient is φ = 2664016.

The previous prime is 6742067. The next prime is 6742091. The reversal of 6742090 is 902476.

6742090 = 243² + 244² + ... + 325².

It is a super-3 number, since 3×6742090³ (a number of 21 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (6742091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3232 + ... + 4891.

It is an arithmetic number, because the mean of its divisors is an integer number (767718).

Almost surely, 2^6742090 is an apocalyptic number.

6742090 is a deficient number, since it is larger than the sum of its proper divisors (5541398).

6742090 is a wasteful number, since it uses less digits than its factorization.

6742090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8213.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 6742090 is about 2596.5534849103. The cubic root of 6742090 is about 188.9143065885.

The spelling of 6742090 in words is "six million, seven hundred forty-two thousand, ninety".